Finding the Third Proportional to 7,878,346 and 17,137,060

Step by Step Solution

1. Step 1: Write the proportion equation
   7,878,346 : 17,137,060 = 17,137,060 : x
2. Step 2: Convert to fraction form
   7,878,346/17,137,060 = 17,137,060/x
3. Step 3: Cross multiply
   7,878,346x = 17,137,060 × 17,137,060
4. Step 4: Simplify right side
   7,878,346x = 293,678,825,443,600
5. Step 5: Solve for x
   x = 293,678,825,443,600/7,878,346
6. Step 6: Final answer
   x = 37,276,710.80